The Republicans hope to challenge U.S. Rep. Annie Kuster, D-NH, in 2018.

Negron has been weighing a run for months. He also reported about $120,000 in fundraising to the Federal Election Commission, including a candidate loan of $95,000. Roger Wilkins, his campaign manager, said in a statement that Negron would wage a grassroots campaign to capture the nomination and upset Kuster.

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